Global warming is a phenomenon characterized by an increase in the earth’s average temperature, and its negative impact on biodiversity is a major highlight in environmental studies. Rising temperatures bring significant changes that threaten various species and ecosystems around the world. One impact is habitat change. As temperatures rise, many species have to adapt or change the location of their habitats. For example, species that live in cold regions such as the poles are forced to move closer to the poles to find more comfortable temperatures. However, not all species are able to adapt quickly; many face the risk of extinction when their habitat is lost. Additionally, global warming increases the frequency and intensity of extreme weather, such as floods, droughts and storms. These changes not only impact human life, but also wildlife and plants. For example, during floods, many aquatic species are hit hard due to habitat loss. On the other hand, drought can cause a decline in the populations of terrestrial species that depend on freshwater. Changes in temperature also affect the timing and migration patterns of species. Many migratory birds, insects, and mammals rely on stable natural cycles to time their journeys. If temperatures increase, this may cause migration to occur earlier or later than usual, impacting interactions between species and ecosystems. For example, when butterflies migrate early, they may not find enough food because the flowers they need to survive have not yet bloomed. Biodiversity is also threatened due to changes in the ecosystem. Coral reefs, one of the ecosystems richest in biodiversity, are experiencing coral bleaching due to increasingly high sea temperatures. This corruption threatens thousands of species of fish, mollusks and other organisms that depend on coral reefs as a place to live and as a source of food. Furthermore, global warming also contributes to the spread of diseases and pests. With warmer conditions, many pathogenic organisms and pests can reproduce more quickly and spread to previously unaffected areas. This may result in a decline in the number of local species, especially those with small and vulnerable populations. Apart from direct impacts, global warming also affects interactions between species. Consider altered predator and prey relationships; changes in predator and prey timing can disrupt food chains and have serious impacts on ecosystem stability. Therefore, it is important to realize that global warming is not only a climate problem, but also a biodiversity crisis that requires urgent attention and action. Protecting biodiversity requires global collaboration to reduce greenhouse gas emissions, protect habitats and implement sustainable practices. With the right approach, we can help preserve biodiversity and maintain the earth’s ecological balance.